From a1ca62af50047a92692c009b97bebb73f94db7ea Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <noreply@fakecake.org>
Date: Thu, 25 Feb 2021 21:42:05 +0300
Subject: cache schema version better

---
 classes/config.php | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

(limited to 'classes/config.php')

diff --git a/classes/config.php b/classes/config.php
index 2c46e1784..ee1d3cb4a 100644
--- a/classes/config.php
+++ b/classes/config.php
@@ -107,8 +107,9 @@ class Config {
 	private static $instance;
 
 	private $params = [];
+	private $schema_version = null;
 
-	public static function get_instance() {
+	public static function get_instance() : Config {
 		if (self::$instance == null)
 			self::$instance = new self();
 
@@ -133,6 +134,20 @@ class Config {
 		}
 	}
 
+	static function get_schema_version(bool $nocache = false) {
+		return self::get_instance()->_schema_version($nocache);
+	}
+
+	function _schema_version(bool $nocache = false) {
+		if (empty($this->schema_version) || $nocache) {
+			$row = Db::pdo()->query("SELECT schema_version FROM ttrss_version")->fetch();
+
+			$this->schema_version = (int) $row["schema_version"];
+		}
+
+		return $this->schema_version;
+	}
+
 	static function cast_to(string $value, int $type_hint) {
 		switch ($type_hint) {
 			case self::T_BOOL:
-- 
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